Add logout button to user profile in sidebar

- Door emoji button next to username
- Links to /auth/logout
- Redirects to home page after logout

Chronicler #69

services/arbiter-3.0/src/views/layout.ejs

@@ -97,10 +97,15 @@
                 </a>
             </nav>
             <div class="p-4 border-t border-gray-200 dark:border-gray-700">
+                <div class="flex items-center justify-between">
                     <div class="flex items-center gap-3">
                         <img src="https://cdn.discordapp.com/avatars/<%= adminUser.id %>/<%= adminUser.avatar %>.png" class="w-10 h-10 rounded-full">
                         <span class="font-medium"><%= adminUser.username %></span>
                     </div>
+                    <a href="/auth/logout" class="text-gray-400 hover:text-red-500 transition" title="Logout">
+                        🚪
+                    </a>
+                </div>
             </div>
         </aside>